One could study an organism's inputs (such as food or the environment) or outputs (its behaviour).

人们可以研究有机体的输入（例如食物或环境）或输出（其行为）。

(i) Some assets produce a yield or output q, measured in terms of themselves, by assisting some process of production or supplying services to a consumer.

(i) 某些资产通过协助某些生产过程或向消费者提供服务来产生收益或产出 q，以自身衡量。